The year 2025 promises one highlight after another in Mannheim and Heidelberg: Whether it's rousing festivals, lively city festivals or charming flea markets - the region invites you to unforgettable open-air experiences. 🪩✨

Whether you want to enjoy balmy evenings at open-air concerts, browse through colorful flea markets, experience exciting city tours or visit lively festivals - here you will find the best tips and highlights for unforgettable experiences in the open air. ☀️

Enjoy the summer to the full with these exciting events! 🕺🏼💥

Open air parties at Hafen49

Hafen49 is THE summer location for all techno fans. 🪩✨ As soon as the first rays of sunshine come around the corner, you can dance to the beats of your favorite DJs by the water.

The program for 2025 includes, for example

Castle lighting in Heidelberg

Heidelberger Schlossbeleuchtungen

Heidelberger Schlossbeleuchtungen
© Philip Jahn via Unsplash
Sa, 07.06.2025 12:00
Free admission
Altstadt Heidelberg

(Flea) markets in the open air

Kulturmarkt

Kulturmarkt
© Unsplash: Tom Chen
Sa, 12.04.2025 10:00
Free admission
Wilhelmsplatz Heidelberg

Mannheimer Krempelmarkt

Mannheimer Krempelmarkt
© Clem Onojeghuo via Unsplash
Sa, 13.04.2024 08:00
Free admission

Flohmarkt Messplatz

Flohmarkt Messplatz
© Unsplash: Clem Onojeghuo
Sa, 26.04.2025 06:00
Free admission
Messplatz Heidelberg

Flohmarkt auf dem ABB-Parkplatz

Flohmarkt auf dem ABB-Parkplatz
© Nikola Đuza via Unsplash
Sa, 03.05.2025 00:00
Free admission

Street Food Festivals in Mannheim & Heidelberg

STREET FOOD FESTIVAL HEIDELBERG | Mai 2025

STREET FOOD FESTIVAL HEIDELBERG | Mai 2025
© Street Food Festival
Sa, 17.05.2025 12:00
4,00 €

STREET FOOD FESTIVAL MANNHEIM | Juni 2025

STREET FOOD FESTIVAL MANNHEIM | Juni 2025
© Street Food Festival
Fr, 13.06.2025 16:00
4,00 €
Panzerhalle auf Sullivan | Franklin

Parties & festivals in Mannheim

Maimess

Maimess
© Unsplash: Jake Weirick
So, 27.04.2025 13:00
Free admission

Mannheimer Stadtfest

Mannheimer Stadtfest
© Michael Discenza via Unsplash
Fr, 23.05.2025 15:00
Free admission

14. Maifeld Derby

14. Maifeld Derby
© Image
Fr, 30.05.2025 15:00
140,00 €

Guided city tours through Mannheim

Mannheim: Öffentliche Nachtwächterführung mit Nachtwächterweib Marie

Mannheim: Öffentliche Nachtwächterführung mit Nachtwächterweib Marie
© ERLEBNISFÜHRUNGEN MANNHEIM - Maria Mayer - Anmelden: Mobil/WhatsApp +49 176 51777303 - info@erlebnisfuehrungen-mannheim.de - GetYourGuide - www.erlebnisfuehrungen-mannheim.de
Sa, 03.05.2025 20:00
13,00 to 15,50 € Lottery

Öffentliche Tour Stadtführung: Mit Bertha Benz durch die Erfinderstadt

Öffentliche Tour Stadtführung: Mit Bertha Benz durch die Erfinderstadt
© ERLEBNISFÜHRUNGEN MANNHEIM - Maria Mayer - Anmelden: Mobil/WhatsApp +49 176 51777303 - info@erlebnisfuehrungen-mannheim.de - GetYourGuide - www.erlebnisfuehrungen-mannheim.de
Do, 29.05.2025 14:30
13,00 to 16,50 €
Carl-Benz-Denkmal Mannheim

Festivals in and around the Rhine-Neckar metropolitan region

Electrique Baroque

Electrique Baroque
© Electrique Baroque
Sa, 14.06.2025 12:00
29,99 € Lottery

Festivals 2025 in and around the Rhine-Neckar region

Festivals 2025 in and around the Rhine-Neckar region
© Hanny Naibaho via Unsplash
Read the whole article

And if it does rain, we have lots of tips for going out in bad weather:

Mannheim and Heidelberg in the rain: The 10 best indoor events & activities

Mannheim and Heidelberg in the rain: The 10 best indoor events & activities
© Erik Witsoe via Unsplash
Read the whole article
This content has been machine translated.